<template>
<div class="progress-circle">
  <svg :width="radius" :height="radius" viewBox="0 0 100 100" version="1.1" xmlns="http://www.w3.org/2000/svg">
       <circle class="progress-background" r="50" cx="50" cy="50" fill="transparent"/>
       <circle class="progress-bar" r="50" cx="50" cy="50" fill="transparent" :stroke-dasharray="dashArray" :stroke-dashoffset="dashOffset"/>
     </svg>
  <slot></slot>
</div>
</template>

<script type="text/ecmascript-6">
export default {
  props: {
    radius: {
      type: Number,
      default: 100
    },
    percent: {
      type: Number,
      default: 0
    }
  },
  data() {
    return {
      dashArray: Math.PI * 100
    }
  },
  computed: {
    dashOffset() {
      return (1 - this.percent) * this.dashArray
    }
  }
}
</script>



<style scoped lang="stylus" rel="stylesheet/stylus">
@import "~common/stylus/variable"

 .progress-circle
   position: relative
   circle
     stroke-width: 8px
     transform-origin: center
     &.progress-background
       transform: scale(0.9)
       stroke: $color-theme-d
     &.progress-bar
       transform: scale(0.9) rotate(-90deg)
       stroke: $color-theme
</style>
